NDLI: Investigation of laser pattern for high efficiency PERC mono silicon solar cells

Content Provider	IEEE Xplore Digital Library
Author	Cheng-Wen Kuo Ta-Ming Kuan Shin-ing Peng Chih-Chiang Huang Li-Guo Wu Cheng-Yeh Yu
Copyright Year	2015
Description	Author affiliation: TSEC Corp., Hsinchu, Taiwan (Cheng-Wen Kuo; Ta-Ming Kuan; Shin-ing Peng; Chih-Chiang Huang; Li-Guo Wu; Cheng-Yeh Yu)
Abstract	In this work, we proposed the impact of the rear laser process design applied to screen-printed passivated emitter and rear cell (PERC) structure. We compared different laser pattern design (1) line (reference), (2) Dash (2:1), and (3) Dash (5:1) on a high-efficiency level using 156 mm × 156 mm p-type Cz mono silicon wafer. It can be found that employing the laser pattern of dash 2:1 outperforms all other laser pattern due to its excellent aluminum back surface field. The average open-circuit voltage of the laser pattern of Dash 2:1 PERC solar cells is also larger than all other opening ratio solar cells. Besides, by using the laser pattern of Dash 2:1 PERC solar cells, the conversion efficiencies of 20.6% for the best PERC solar cell and 20.4% for the average of PERC solar cells are measured. Besides, the PERC solar cells also passed the PID test which condition was indicated to be 85 degree Celsius and 85% RH in climatic chamber for 96 hours. Observed the power loss <; 3% and no EL darkened area were found after PID test for the PERC solar cells.
Starting Page	1
Ending Page	3
File Size	661759
Page Count	3
File Format	PDF
e-ISBN	9781479979448
DOI	10.1109/PVSC.2015.7356053
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Silicon Indexes Furnaces High Efficiency passivation emitter and rear cell (PERC) laser pattern
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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